Fireplace damper



A N0Y- 21, 1944? K. F. TRlGGs l 2,363,026.

' FIREPLACE DAMPER Filed March 27, 1941 /7 ORA/Ens.

Vto

1 damperstructure proper. I

At least one of said Patented Nov. 21, 1944 I n or FIREPLACE DAMIER `Kenneth F. Triggs, Huntington,` Ind., assigner to The Majestic Company, ,Huntington, Ind., a

corporation Application March 27,

3 Claims. fm1. 126-288) This `.invention relates: to `a replace vdamper control. I I

1941,.- Serial' N0. 385,445 r The chief object of `the present invention. is

`simplifythe construction as well as the installation of a replace damper structure and to` increase the efficiency of operation of such damper control.

i suitably faced by The` chief feature of the invention consistsin thezsupport for the damper and the operating thereto and .especially the` element connected supportfor the latter element, its association with the latter element and its support by the Another feature of the invention consists in the construction `of a support arrangement and its support by the damper-construction.

Other objects and features of the invention will `be set forth more fully hereinafter.

The` full nature of the invention will vbe understood from the accompanying drawings and the following description anduclaims: I I p In the drawing, Fig. 1 isa top plan view of the damper construction.

Fig. 2 is Va bottom plan viewthereof.

Fig 3 is a transverse Vsectional View taken on `line 3-3 of Fig. I2 and inthe direction of the arrows, the` parts being shown inthefull open position,` the dash lines diagrammatically indicating an intermediate indicating the full closed position of the operating element. I p

In the drawing, the numeral I0 indicates a back plate, I I the front plate and I2 the side plates of the damper base structure. wardly from each of the portions I2 are theiside Vplates' I3. Extending upwardly from the forward edge of the rear I4. the rear edge of the front plate portion I 5r The `plate V.portion with an opening I6 adapted to damper plate. t a

`Adjacent each side edgeof this opening,` it will be noted thatthe walls are inwardly directed plate portion Il)V is `the portion portion II is the be closed by a at the lower portion forming aplate bearing ledge I1. Adjacent the lower end of said ledge-and rising upwardly and rearwardly is the flange I 8. flanges is apertured as at I9. Adjacent but slightly spaced from theseledges zand extending upwardly from the portion I4 are the abutments and stops 20.

, The groove 2| in effect dened bythe lower portion of the I 6 andthe Iforward lower portion of the' abut- `ments 20 constitutes a fulcrum bearing for the I4 is provided I portion I4 adjacent the opening position and the dash line Extending upv Extending upwardly and rearwardly from The plate portion relieved or cut away as at 44 and `there thus is and under bearing arrange-` Axially aligned member 2`I`32.

Suitably secured to the underface of this` `damper plate 23 is a bracket 24 provided with spaced ears 25.` Extending acrossthese spaced ears is a member 2S which may be of suitable character but provides a pivotal support for the free end of the operating element 21. This operating element is herein illustrated as a casting and has its Afree end28 ilattened in what might be termed a vertical direction and apertured for connection with the member 26.

The entire midportion of this lmember 211s laterally enlarged as at 29 and this enlargement `includes an opening `3l) therein. is dened by an annular boss arrangement 3| on its forward face. Extending angularly therefrom is the operating arm portion 32 andthe latter is enlarged laterally vas at 33 and apertured as at 34;` This apertured portion 33`normally is positioned at an angle so that when the damper construction is properly mounted in the iireplace, the plane of the portion 33 is inclined to the front face of the iireplace` and is inclined to a, vertical plane transverse to the `said front `-face of the fireplace. This angularly positioned end 33,

therefore; is exposed in the replace opening and I 1s so exposed that the aperture 34 is visible so operation or movement of the The front plate II atits upper outer edge is provided with an upwardly extend. ing boss 4fwhich forms a groove 4I` in the lower face. j i

`On the lower face there is provided a similar but oppositely directed boss 42 grooved as at 43. I I` between the two bosses is provided `an over` ment, `havinga common axis. with said bearing. and on the underside ofthe back plate I0, is the boss 45 -havingthe groove 46 in its `upper face,; aligned `with the ing. The rear wall Itadjacent its junction with the portion I0 is apertured as at 41. This completes the bearing arrangements at the front and rear of the damper structure channel.

The support for the operating member 21-32 now will `be 1 `set forth and the opposite ends thereof are vmounted in the longitudinally aligned T OFFICE t f This opening rThe portion 53 trally apertured as at 54. Slidably supported thereby and therein is a rod member 55. This` rod member is provided with a transverse vopendirecte-d @bearing Iportion* 42tbearing arrangements. This support is of twopiece character. The main piece is elongated and includes a reduced free end 48 axially slidable in the rearward bearing. The member is extended across the damper plate closed channel, as shown, and includes portion 50 grooved as at-5l, another'conical porc tion 52 and a the portion 49, the conical cylindrical portion 53.

The conicalrportion 52 section less` than the maximumcross sectionof the conical portion 50. grooved portion is approximately that of the has a v maximum cross The cross section of theV maximum cross section of the conical portion 52.5"

is somewhat elongated and is cen.-

ing 56 and secured therein is a cotter keyror like, 51.

The lstop barI structure including kthe several portions :1to1 51,r inclusive, f mayv be mounted' as follows:;.The vend 148 :is: inserted in'. ther rearward bearing -infthevplate l l fas V faras'- it: will go, `then havingfpreviously insertedthe `rodvmember 55 inl-the recess ori aperture 5dv of the portionv53 ras far as it can beseated, the stop `,bar structurels elevated untilitsiaxis, is aligned withathe aligned bea-rings- Then the rod 55 vis extended untilthe opening 'ftherethrough-is exposed. When thisA occurs'f-theflrod is: supportedlby the downwardly Then the cotter key tor :other `loclr'mgmeans 51 is. appliedzto the aperture .5E-and `the sto'p bar structure is properly..

mounted-lr l Previouszlthereto, naturallythe `operating armv has been mounted/on :the stop Ybarstructure, as shown clearlyiby-the full, dotted anddash lines. When stheioperating abar` is .at its .maximum for: wardcposition, the Yboss 3| bears on the portion 53h-and fthei-z-damperuplate is closed," being heldv closedsby-igravityfacting:upon said-damper plate and the: operating arm. When the operating arm:

isxepositionedfso .that fftheboss `3l. engagespthe shoulder immediately `adjacent the enlargementy a 5'2githefdamper *plate is "heldin half vopenpositionfthroughi gravity acting "on the plate and the l operating arm: When the operating .arm ispositionedfsofthatitis seated 'in the groove 5I of the conical: portion the damper plate `structure is locked .fin the Iwide' openposition; It will berea'd- -ilynapparent that antangle' poker applied to the aperture Ililtfioff'the portion 33 "and manipulated backi-'andvforth canfreadily adjust the operating V element tofthe `proper position; l

Hierelnf'itwill benotedthat the damper plate mais; out iawayr on -at least one side edge `ll'as indicatedwat 6I, leaving adjacent its lower edgey and at the side a projecting portion E2. This projecting portionycan be seatedy inthe aperture I9 and thus constitute an additional pivotal e1e'" mention theldamperabody portion. and. damper plat@connection .Ifl' desired the oppositey side ofathe;'damperplate may be vsimilarly cut away orllange portion I8 may: beyfrsimilarly.,apertured; However, one of these supports has been `found suicient.

While the invention has been illustrated andA andcthe; opposite ledge describedcinV igreat' detailA in; the drawings `and foregoing..'description, the same islto beconsdered aslillustrative and not restrictive in character;

`porting the Idamper for the The several modifications described herein as well as others which will readily suggest rthemselves to persons skilled in this art, all are con`V sidered to bewithin the broad scope of the invention, reference being had to the appended claims.

' The invention claimed is: a.

1. Ina replace damper construction having a channeled (damper throat forming `rbody portion and a damper, said body portion pivotally supthrough the body portion, the combination of an axially-extensible structure extendingV completely 'across the channel and comparatively stationarily mountedv at the opposite ends upon the channel throat forming body portion and solely by the latter, va member selectively positionablef upon the-structure and retained thereby /for' damper control and having one end connected to said damper for control thereof and the other' end :free fand :extending I. downwardly i below. .ther body portion for manual actuation of saidfmerne,`

` ber :andr.damperfrom:the replace opening,.thef

extensiblelstructure and member having portions" permittingA displacement nallyuof sthe structurecand i lpreventing v'material/5 lateral displacement therebetween, inwardlyedif,` rected :flange means' at Aopposite sides ofthe openingfgatfthe upperyendof the channel inthe body.' portion "and-constituting .stops for 4limiting damp'- er'eclosing` movement,` an apertured meansipro= jecting upwardly, at the. sideroftheopening, the` damper being of substantially plate'type/'andi recessed; at: a side edge aadjacentthe projecting meansxforficlearing the latterrwhenfclosedg(thef portion belowthe; recess forming a pintle seatable inetheproj ecting vmeans aperture forfdamper. piv oting. 2f; In a fireplacel damper,l construction including a:channeledpthroateforming bod-y portion :with a 1 damper controllablegoutlet'opening .therethrougln-i and damper position controlling meansfincluding an axially extensible` crossfbarstructure, thef combination'of aligned bearings integralwith the channeled 'body portion. at fthe. front and back ltegral withithe'ichanneled=body portion at the front: and *back l :thereof `for'- cross-bar structure* mounting therein' from confronting ends of the? bearingsg'one of 'said lbearings includinga pair of axially spaced, oppositely directed groovedf' bosses onQthe fbody portion,l the grooves'\being aligned,l the body portion therebetweenl including anfopening therethrough,` the *grooves forming ai spaced bearing arrangement. l

KENNETH F. A",Ilf'tIGGTcl.

control of the channel Y therebetween longitudi- 

